Gold caps placed on your teeth. Some people have them permenantly placed on and others have removable caps, frames, or crowns. A style that originated in Brooklyn/Queens NYC. Then migrated to B-More and now the Dirty South are sportn fronts hard.
Slick Rick(AKA Ricky D), Big Daddy Kane, Rakim, Just-Ice, and Flava Flav of PE were amongs the first rappers to rock Gold Fronts. Back in the 80's a way to distinguish cats from Brooklyn & Queens from dudes from Uptown(Haelem) and the Bronx.